diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bbb5bbe..ba9718b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,7 +2,7 @@ name: test
 on: [push, pull_request]
 jobs:
   test-clang-format:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-2204
     steps:
     - uses: actions/checkout@v4
       with:
@@ -11,7 +11,7 @@ jobs:
       run: |
         sudo apt-get -yq update && sudo apt-get -yq install clang-format python3-pip && pip3 install cmake_format && ./bin/run_c_format.sh lib
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-2204
     steps:
     - uses: actions/checkout@v4
     - name: test